Results 121 to 130 of about 27,060 (161)

Efficacy and possible mechanism of <i>Kai-xin-san</i> in animal models of Alzheimer's disease: a systematic review and meta-analysis of preclinical studies. [PDF]

Front Pharmacol
Wang Y, Wang Q, Xie H, Liu X, Ju Y, Liu X, Sun S.   +6 more
europepmc   +1 more source

Gut-Brain Axis-Based Polygala Tenuifolia and Magnolia Officinalis Improve D-gal-Induced Cognitive Impairment in Mice Through cAMP and NF-κB Signaling Pathways. [PDF]

Drug Des Devel Ther
Yang D, Li W, Chen Q, Liu S, Peng C, Deng F, Meng Y, Yang Y, Yan P, Ao H, Huang L.   +10 more
europepmc   +1 more source

Tenuifolioses A-F, Oligosaccharide Multi-Esters From the Roots of Polygala tenuifolia WILLD.

Chemical and Pharmaceutical Bulletin, 1991
From the roots of Polygala tenuifolia WILLD. ten new oligosaccharides, called tenuifolioses G-P, were isolated and their structures were elucidated by spectroscopic data and chemical evidance. These oligosaccharides were esterified with acetic, benzoic, p-coumaric and/or ferulic acid.
Toshio Miyase, Akira Ueno
exaly   +6 more sources

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Sugar Easters and Xanthones from the Roots of Polygala Tenuifolia Willd. And Their Cytoprotective Activity

SSRN Electronic Journal, 2022
Six new sugar esters (1-6), named tenuifolisides F-G (1-2) and tenuifolioses W-Z (3-6), together with 16 known compounds (7-22) were isolated from the roots of Polygala tenuifolia. The chemical structures of the new compounds were elucidated by 1D, 2D NMR and HRESIMS techniques together with chemical methods.
Bin-Bin, Yang, Xin-Jie, Li, Kai, Yu, Xi-Lan, Jiang, Lun, Wang, Fu, Li, Ming-Kui, Wang   +6 more
openaire   +2 more sources

A new glycoside from Polygala tenuifolia Willd

Chinese Chemical Letters, 2008
Abstract A new triterpenoid glycoside, 3-β- O -β- d -glucopyranosyl presenegenin 28- O -α- l -arabipyranosyl(1 → 3)-β- d -xylopyranosyl(1 → 4)-[β- d -apiofuranosyl(1 → 3)]-α- l -rhamnopyranosyl(1 → 2)-[α- l -rhamnopyranosyl(1 → 3)]-β- d -fucopyranosyl ester (1) was isolated from the Polygala tenuifolia Willd., together with two known saponins ...
Tun Hai Xu, Gang Lv, Tong Hua Liu, Ya Juan Xu, Yun Shan Si, Sheng Xu Xie, Hong Feng Zhao, Dong Han, Dong Ming Xu   +8 more
openaire   +3 more sources

Phenotypic Diversity Analysis of Polygala tenuifolia Willd Germplasm Resources in China

Genetic Resources and Crop Evolution
AbstractPolygala tenuifolia Willd is a perennial herb in the family Polygalaceae and is used as an expectorant and stimulant in traditional Chinese medicine. There is a large demand for P. tenuifolia, while the good cultivars of P. tenuifolia are not enough. In this study, we collected 157 germplasm resources of P.
Xianqiang Zuo, Shuaishuai Pei, Shuhong Guo   +2 more
exaly   +2 more sources

Characterization of a polysaccharide from Polygala tenuifolia willd. with immune activity via activation MAPKs pathway

Bioorganic Chemistry, 2023
Polysaccharides from the Polygala tenuifolia Willd. have been shown multiple biological activities, however the structural feature and immunomodulatory activity are still rarely reported. In this study, a polysaccharide was obtained by purification, and its structural characteristics and immune activity were analyzed.
Shasha, Yu, Xiaodan, Dong, Rongjie, Ma, Haiyu, Ji, Juan, Yu, Anjun, Liu   +5 more
openaire   +2 more sources

New acylated triterpene saponins from Polygala tenuifolia willd

Journal of Asian Natural Products Research, 2006
Two new acylated presenegenin glycosides E-onjisaponin H (5) and Z-onjisaponin (6) together with seven known saponins were isolated from the roots of Polygala tenuifolia Willd. Compounds 5 and 6 were obtained as a pair of isomers due to trans and cis-p-methoxycinnamoyl.
J, Li, Y, Jiang, P-F, Tu
openaire   +2 more sources

Polygala tenuifolia Willd.

1992
Yuanzhi, Radix Polygalae, is the dry root of Polygala tenuifolia Willd. or P. sibirica L. (Polygalaceae) collected in the spring and fall. It is officially listed in the Chinese Pharmacopoeia and is used in traditional Chinese medicine as a mucolytic for the treatment of cough. It is further used as a sedative and for antiswelling purposes. Two galenic
Weici Tang, Gerhard Eisenbrand
openaire   +1 more source